7016 ACEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
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7016 ACEGA/P4A Bearing Product Overview & Core Advantages
The 7016 ACEGA/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. As a single bearing from a Universal Matchable (SU) pair, it is engineered to accommodate combined loads—handling significant radial loads alongside axial loads in one direction. Its P4A tolerance class ensures superior dimensional and running accuracy, making it ideal for high-precision spindles and machinery. The extra light preload (Class A) minimizes deflection under operational stresses, contributing to smooth, high-speed performance and enhanced system rigidity.
7016 ACEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| A | Contact Angle of 25° | Optimized for high axial load capacity while maintaining good radial load performance. |
| CE | Universal Matchable Bearing | Can be universally paired with another identical bearing to form a preloaded duplex set (e.g., DB, DF, DT) without selective matching, simplifying installation and inventory. |
| GA | Extra Light Preload (Class A) | Reduces internal clearance for higher stiffness and precise rotational accuracy, ideal for applications sensitive to deflection. |
| P4A | High Precision Tolerance Class | Exceeds standard ABEC-7 precision, ensuring minimal runout and vibration for superior performance in high-speed and high-accuracy applications. |
7016 ACEGA/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The 25° contact angle and Class A preload work in tandem to deliver exceptional system stiffness, minimizing axial and radial play under load. This is critical for maintaining precision in machine tool spindles and other high-accuracy rotational systems.
Superior Load Capacity: Engineered to handle combined radial and axial loads simultaneously. With a dynamic load rating of 7312 lbf and a static load rating of 5962 lbf, it offers reliable performance in demanding conditions.
Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, contributing to a high limiting speed of 28,000 rpm. The open design allows for efficient lubrication management, further supporting stable high-speed operation.
Precision Materials and Construction: Manufactured from chrome steel for both rings and balls, ensuring high durability and fatigue resistance. The tight dimensional tolerances on the bore (80mm), outside diameter (125mm), and width (22mm) guarantee consistent performance and ease of integration into precision assemblies.
7016 ACEGA/P4A Bearing Typical Application Areas
The 7016 ACEGA/P4A is ideally suited for high-performance applications where precision, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and rotary actuators requiring high accuracy and stiffness.
- Medical Equipment: High-speed dental handpieces and imaging scanner rotors.
- Aerospace & Defense: Gyroscopes, radar systems, and auxiliary power units (APUs).
- High-Frequency Motors and Spindles: Where minimal runout and vibration are critical.
